Explanation of how the number of participants for analysis was determined.
Includes whether analysis was per protocol, intention to treat, or another method.
Also provides relevant details such as imputation technique, as appropriate.

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Reporting Groups

Description

Arm A QHPV

Participants received three doses of the quadrivalent human papillomavirus vaccine (QHPV) (Types 6, 11, 16, 18) at week 0, 8, and 24 and an additional dose at week 96.

Arm B Placebo/QHPV

Participants received three doses of the placebo at week 0, 8, and 24 and additional dose of the quadrivalent human papillomavirus vaccine (QHPV) (Types 6, 11, 16, 18) at week 96, 104 and 120.